SHORT RANGE ULTRASONIC MEASUREMENT

A system (20) has an actuator (24) with a first surface (30) and a second surface (32), the first surface (30) being offset a step dimension from the second surface (32). A sensor (28) is configured to measure a distance between the sensor (28) and both the first surface (30) and the second surface...

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Bibliographische Detailangaben
1. Verfasser:	RHODEN, William E
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	A system (20) has an actuator (24) with a first surface (30) and a second surface (32), the first surface (30) being offset a step dimension from the second surface (32). A sensor (28) is configured to measure a distance between the sensor (28) and both the first surface (30) and the second surface (32) via a signal received by the sensor (28) after having reflected off the first surface (30) or the second surface (32). The step dimension is greater than a minimum dimension, which is defined in view of a medium through which the actuator (24) moves and a frequency of the signal.